Vitruvius
,
M. Vitruvii ... de architectura libri decem, ad Augustum Caesarem accuratiß conscripti: & nunc primum in Germania qua potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati
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DE ARCHITEC. LIB. X.
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ne efficiuntur. </
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<
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xml:space
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">Namq; </
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<
s
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xml:space
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">traijcitur per latera parietum axis, habens extra
<
lb
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nauem prominentia capita, in quæ includuntur rotæ diametro pedü qua-
<
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ternum & </
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<
s
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echoid-s5169
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xml:space
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">ſextantis, habentes circa frontes affix{as} pinn{as} aquam tan-
<
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gentes. </
s
>
<
s
xml:id
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echoid-s5170
"
xml:space
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preserve
">Item medi{us} axis in media naui habet tympanü, cum uno denticu-
<
lb
/>
lo extanti extra ſuamrotüditatem. </
s
>
<
s
xml:id
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echoid-s5171
"
xml:space
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preserve
">Adeum locum collocatur loculamen-
<
lb
/>
tum, habens incluſum in ſe tympanum, per æquatis dentib{us} quadringen-
<
lb
/>
tis conuenientib{us} denticulo tympani, quod est in axe incluſum: </
s
>
<
s
xml:id
="
echoid-s5172
"
xml:space
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">præterea
<
lb
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ad lat{us} affixum extantem extra rotunditatem alterum dentem. </
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>
<
s
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echoid-s5173
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xml:space
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preserve
">Vnum
<
lb
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inſuper in altero loculamento cum eo confixo, incluſum tympanum pla-
<
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/>
num ad eundem modum dentatum, quib{us} dentib{us} denticulus, qui est ad
<
lb
/>
lat{us} fixus tympano, quod eſt in cultro collocatum, in eos dentes qui ſunt
<
lb
/>
plani tympani, ſingulis uer ſationib{us} ſingulos dentes impellendo in or-
<
lb
/>
bem, planum tympanum uerſet. </
s
>
<
s
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xml:space
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">In plano autem tympano for amina fiant,
<
lb
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in quib{us} for aminib{us} collocabuntur calculi rotundi. </
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>
<
s
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echoid-s5175
"
xml:space
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preserve
">In theca ei{us} tympa
<
lb
/>
ni (ſiue loculamentum est) unum foramen excauetur, habens canalicu-
<
lb
/>
lum, qua calcul{us} liber at{us} ab obſtantia cum cecidcrit in u{as} æreum ſoni-
<
lb
/>
tum ſignificet. </
s
>
<
s
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echoid-s5176
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xml:space
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">Ita nauis cum habuerit impetum, aut remorum, aut uento
<
lb
/>
rum flatu pinnæ, quæ erunt in rotis tangentes aquam aduer ſam uehemen
<
lb
/>
tiretror ſ{us} impulſu coactæ uerſabunt rot{as}. </
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>
<
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xml:space
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">Eæ autem in uoluendo ſea-
<
lb
/>
gent axem, axis uero tympanum, cui{us} dens cir cumact{us}, ſingulis uer ſa-
<
lb
/>
tionib{us} ſingulos ſecundi tympani dentes impellendo, modic{as} efficit cir-
<
lb
/>
cuitiones. </
s
>
<
s
xml:id
="
echoid-s5178
"
xml:space
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">Ita cum quatercëties ab pinnis rotæ fuerint uer ſatæ, ſemeltym-
<
lb
/>
panum planum cir cumagent impulſu dentis, qui ad lat{us} est fix{us} tym-
<
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/>
pani in cultro. </
s
>
<
s
xml:id
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echoid-s5179
"
xml:space
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">Igitur cir cuitio tympani plani, quotieſcunq; </
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<
s
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echoid-s5180
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xml:space
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">ad for amen
<
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perducet calculos emittet per canaliculum. </
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>
<
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xml:space
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">Ita & </
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<
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">ſonitu & </
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<
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xml:space
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">numero indi
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cabit miliaria ſpatia nauigationis.</
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<
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</
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<
head
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xml:space
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">DE CATAPVLTARVM ET SCORPIO.
<
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num rationib{us}. CAP. XV.</
head
>
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<
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xml:space
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">NVNC uero quæ ad præſidia periculi & </
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>
<
s
xml:id
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xml:space
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">neceßitatem ſalutis ſunt
<
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inuenta. </
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<
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xml:space
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">i. </
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<
s
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xml:space
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">ſcorpionum, catapultarum, et baliſtarum rationes, qui
<
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b{us} ſymmetrijs compararipoßint, exponam. </
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<
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xml:space
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">Et primum de catapultis & </
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<
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xml:space
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<
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ſcorpionib{us}. </
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<
s
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xml:space
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">Omni igitur proportione eorum ratiocinata ex propoſita
<
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/>
ſagittæ longitudine, quam id organum mittere debet, ei{us}{qúe} nonæ partis
<
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/>
fit for aminum in capitulis magnitudo, per quæ tenduntur nerui torti, </
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